Rendon Orthodontics

Orthdontic Specialists for Children and Adults

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Meet Dr. Maria Castano-Rendon - Orthodontist

Maria Castano-Rendon, DDS, MDS

When it comes to her work, Dr. Maria Castano-Rendon looks forward to each day in the office. She knows she is going to see established patients who have become friends and meet new patients with whom she will develop friendships, all while providing orthodontic care that will transform their lives and how they feel about their smiles. While Dr. Castano-Rendon stays up to date on the latest, proven orthodontic treatment procedures and options, she emphasizes the human connection with her patients. She takes the time to talk with them about what’s happening in their lives and is always available to answer questions about their orthodontic care.


  • Dental degree - DDS (1990-1994): Universidad CES - Medellin, Colombia
  • Master's degree in Orthodontics - MSD (1996-1999): Universidad CES - Medellin, Colombia
  • Certificate and Master's degree in Orthodontics - MSD (2001-2003): Saint Louis University - Saint Louis, MO
  • Cleft Lip and Palate Fellowship at the Cardinal Glennon Children's Hospital (2002) - Saint Louis , MO

Professional Appointments

  • abo BOARD CERTIFIED - Diplomate of the American Board of Orthodontics
  • Numerous awards for research and superior academic excellence, including:
    • Uchiyama-Truetzel Award - Saint Louis University 2001
    • Marshall Award (Summa Cum Laude graduate) - Saint Louis University 2003
  • Published articles in the fields of Dentistry and Orthodontics, and has been a speaker at research meetings. 
  • Fluent in English and Spanish

Working Experience

  • Private Orthodontic Practice (2008-present) - Frisco, TX
  • Orthodontic associate for large orthodontic group in the DFW area (2004-2008)
  • Private Orthodontic Practice (1999-2001) - Medellin, Colombia
  • General Dentistry Practice (1995-1996) - Medellin, Colombia

Professional Affiliations

  • American Board of Orthodontics
  • American Association of Orthodontists
  • Southwestern Society of Orthodontists
  • Texas Association of Orthodontists
  • American Dental Association
  • Texas Dental Association
  • North Texas Dental Society
  • North Texas Hispanic Dental Association

Personal life and Interests

Having grown up in Medellin, Colombia, Dr. Castano-Rendon now lives in Frisco, TX.  She and her husband, Dr. Juan Rendon, have two daughters.  She enjoys exercising and traveling, but her favorite times are those spent with her family and friends.

Committed to community involvement, Dr. Castano-Rendon has volunteered since 2013 to co-chair the Give Kids a Smile program, through the North Texas Dental Society, which offers free dental services to underserved children. She provides pro bono orthodontic care to children in need in our community through this program.  She also donates to World Vision and is active in health fairs, local Chambers of Commerce, and provides sponsorships for school sports teams, youth sports programs, school yearbooks and directories, etc.  Find Dr. Castano-Rendon on .